20 x 10 Forged Aluminum 3 Piece,  3 pcs wheel aluminum with steel centerpiece, beige/black color. Continental tire 335/80 R20 MPT81 with runflat system. Single wheel conversion kits eliminate dual rear wheels for better. F-550 and F450 Severe Duty Conversions. Single Wheel Conversion Kits provide every component needed to fully convert from dually to single wheel. Price in USD$. RAM 4500 and 5500 also benefit greatly from an MRAP super single.